You've calculated your carbon footprint. You know if you have footprints from clown shoes (nearly 20 tonnes, like the US) or baby ones (just under 5 tonnes, like the average person in China). Now it's time to try cutting your emissions down to size, hopefully bringing them towards the magic 3.1 tonne figure that UK "per capita" carbon footprints must reach by 2050 for a sustainable future.

Here are our guides to slimming your footprint:

•Green your home - from eco bulbs to major insulation, everything you need to know about saving energy at home